The challenges of serial time dependent data?

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Mark Sigman et al. Fertil Steril. 2005 Jul.

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. 2005 Jul;84(1):264-5; author reply 265-6.

doi: 10.1016/j.fertnstert.2005.04.003.

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The challenges of serial time dependent data?
McDonough PG. McDonough PG. Fertil Steril. 2005 Jul;84(1):266. doi: 10.1016/j.fertnstert.2005.04.005. Fertil Steril. 2005. PMID: 16009208 No abstract available.

A placebo-controlled double-blind randomized trial of the use of combined l-carnitine and l-acetyl-carnitine treatment in men with asthenozoospermia.
Lenzi A, Sgrò P, Salacone P, Paoli D, Gilio B, Lombardo F, Santulli M, Agarwal A, Gandini L. Lenzi A, et al. Fertil Steril. 2004 Jun;81(6):1578-84. doi: 10.1016/j.fertnstert.2003.10.034. Fertil Steril. 2004. PMID: 15193480 Clinical Trial.